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      10-07-2011, 02:59 PM   #15
yxc145
Lieutenant
United_States
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Drives: 2011 535i
Join Date: Jul 2011
Location: Chicago

iTrader: (0)

I just got a custom made x-pipe/magnaflow muffler system installed. The sound is good/deep. But It drones like crazy!!! Does anyone of you guys have the same problem with whatever system you have?